The diagrarn below shows two similar triangles.
B
8 mm
6 mm
A
8 mm
с
E
D
10 mm
F
What is the length of EF in Triangle
DEF
A 2.5 mm
B 6.5 mm
C 7.5 mm
D 13.3 mm

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents